Lowercase all CAPS to prevent case sensitive errors in non-Windows platforms
This commit is contained in:
546
src/sound/midi_fluidsynth.c
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546
src/sound/midi_fluidsynth.c
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@@ -0,0 +1,546 @@
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/* some code borrowed from scummvm */
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#ifdef USE_FLUIDSYNTH
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <fluidsynth.h>
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#include "../config.h"
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#include "../win/plat_dynld.h"
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#include "../win/plat_thread.h"
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#include "../win/plat_ui.h"
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#include "../device.h"
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#include "midi_fluidsynth.h"
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#include "midi.h"
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#include "sound.h"
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#define RENDER_RATE 100
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#define BUFFER_SEGMENTS 10
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extern void givealbuffer_midi(void *buf, uint32_t size);
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extern void pclog(const char *format, ...);
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extern void al_set_midi(int freq, int buf_size);
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extern int soundon;
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static void *fluidsynth_handle; /* handle to FluidSynth DLL */
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/* Pointers to the real functions. */
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static fluid_settings_t*(*f_new_fluid_settings)(void);
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static void (*f_delete_fluid_settings)(fluid_settings_t *settings);
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static int (*f_fluid_settings_setnum)(fluid_settings_t *settings, const char *name, double val);
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static int (*f_fluid_settings_getnum)(fluid_settings_t *settings, const char *name, double *val);
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static fluid_synth_t * (*f_new_fluid_synth)(fluid_settings_t *settings);
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static int (*f_delete_fluid_synth)(fluid_synth_t *synth);
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static int (*f_fluid_synth_noteon)(fluid_synth_t *synth, int chan, int key, int vel);
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static int (*f_fluid_synth_noteoff)(fluid_synth_t *synth, int chan, int key);
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static int (*f_fluid_synth_cc)(fluid_synth_t *synth, int chan, int ctrl, int val);
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static int (*f_fluid_synth_sysex)(fluid_synth_t *synth, const char *data, int len, char *response, int *response_len, int *handled, int dryrun);
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static int (*f_fluid_synth_pitch_bend)(fluid_synth_t *synth, int chan, int val);
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static int (*f_fluid_synth_program_change)(fluid_synth_t *synth, int chan, int program);
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static int (*f_fluid_synth_sfload)(fluid_synth_t *synth, const char *filename, int reset_presets);
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static int (*f_fluid_synth_sfunload)(fluid_synth_t *synth, unsigned int id, int reset_presets);
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static int (*f_fluid_synth_set_interp_method)(fluid_synth_t *synth, int chan, int interp_method);
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static void (*f_fluid_synth_set_reverb)(fluid_synth_t *synth, double roomsize, double damping, double width, double level);
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static void (*f_fluid_synth_set_reverb_on)(fluid_synth_t *synth, int on);
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static void (*f_fluid_synth_set_chorus)(fluid_synth_t *synth, int nr, double level, double speed, double depth_ms, int type);
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static void (*f_fluid_synth_set_chorus_on)(fluid_synth_t *synth, int on);
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static int (*f_fluid_synth_write_s16)(fluid_synth_t *synth, int len, void *lout, int loff, int lincr, void *rout, int roff, int rincr);
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static int (*f_fluid_synth_write_float)(fluid_synth_t *synth, int len, void *lout, int loff, int lincr, void *rout, int roff, int rincr);
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static char* (*f_fluid_version_str)(void);
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static dllimp_t fluidsynth_imports[] = {
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{ "new_fluid_settings", &f_new_fluid_settings },
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{ "delete_fluid_settings", &f_delete_fluid_settings },
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{ "fluid_settings_setnum", &f_fluid_settings_setnum },
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{ "fluid_settings_getnum", &f_fluid_settings_getnum },
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{ "new_fluid_synth", &f_new_fluid_synth },
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{ "delete_fluid_synth", &f_delete_fluid_synth },
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{ "fluid_synth_noteon", &f_fluid_synth_noteon },
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{ "fluid_synth_noteoff", &f_fluid_synth_noteoff },
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{ "fluid_synth_cc", &f_fluid_synth_cc },
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{ "fluid_synth_sysex", &f_fluid_synth_sysex },
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{ "fluid_synth_pitch_bend", &f_fluid_synth_pitch_bend },
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{ "fluid_synth_program_change", &f_fluid_synth_program_change },
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{ "fluid_synth_sfload", &f_fluid_synth_sfload },
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{ "fluid_synth_sfunload", &f_fluid_synth_sfunload },
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{ "fluid_synth_set_interp_method", &f_fluid_synth_set_interp_method },
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{ "fluid_synth_set_reverb", &f_fluid_synth_set_reverb },
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{ "fluid_synth_set_reverb_on", &f_fluid_synth_set_reverb_on },
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{ "fluid_synth_set_chorus", &f_fluid_synth_set_chorus },
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{ "fluid_synth_set_chorus_on", &f_fluid_synth_set_chorus_on },
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{ "fluid_synth_write_s16", &f_fluid_synth_write_s16 },
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{ "fluid_synth_write_float", &f_fluid_synth_write_float },
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{ "fluid_version_str", &f_fluid_version_str },
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{ NULL, NULL },
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};
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typedef struct fluidsynth
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{
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fluid_settings_t* settings;
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fluid_synth_t* synth;
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int samplerate;
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int sound_font;
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thread_t* thread_h;
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event_t* event;
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int buf_size;
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float* buffer;
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int16_t* buffer_int16;
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int midi_pos;
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} fluidsynth_t;
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fluidsynth_t fsdev;
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int fluidsynth_available(void)
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{
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return 1;
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}
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void fluidsynth_poll(void)
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{
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fluidsynth_t* data = &fsdev;
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data->midi_pos++;
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if (data->midi_pos == 48000/RENDER_RATE)
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{
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data->midi_pos = 0;
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thread_set_event(data->event);
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}
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}
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static void fluidsynth_thread(void *param)
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{
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fluidsynth_t* data = (fluidsynth_t*)param;
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int buf_pos = 0;
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int buf_size = data->buf_size / BUFFER_SEGMENTS;
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while (1)
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{
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thread_wait_event(data->event, -1);
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if (sound_is_float)
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{
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float *buf = (float*)((uint8_t*)data->buffer + buf_pos);
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memset(buf, 0, buf_size);
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if (data->synth)
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f_fluid_synth_write_float(data->synth, buf_size/(2 * sizeof(float)), buf, 0, 2, buf, 1, 2);
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buf_pos += buf_size;
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if (buf_pos >= data->buf_size)
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{
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if (soundon)
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givealbuffer_midi(data->buffer, data->buf_size / sizeof(float));
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buf_pos = 0;
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}
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}
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else
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{
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int16_t *buf = (int16_t*)((uint8_t*)data->buffer_int16 + buf_pos);
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memset(buf, 0, buf_size);
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if (data->synth)
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f_fluid_synth_write_s16(data->synth, buf_size/(2 * sizeof(int16_t)), buf, 0, 2, buf, 1, 2);
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buf_pos += buf_size;
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if (buf_pos >= data->buf_size)
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{
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if (soundon)
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givealbuffer_midi(data->buffer_int16, data->buf_size / sizeof(int16_t));
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buf_pos = 0;
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}
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}
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#if 0
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if (sound_is_float)
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{
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memset(data->buffer, 0, data->buf_size * sizeof(float));
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if (data->synth)
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f_fluid_synth_write_float(data->synth, data->buf_size/2, data->buffer, 0, 2, data->buffer, 1, 2);
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if (soundon)
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givealbuffer_midi(data->buffer, data->buf_size);
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}
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else
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{
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memset(data->buffer, 0, data->buf_size * sizeof(int16_t));
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if (data->synth)
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f_fluid_synth_write_s16(data->synth, data->buf_size/2, data->buffer_int16, 0, 2, data->buffer_int16, 1, 2);
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if (soundon)
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givealbuffer_midi(data->buffer_int16, data->buf_size);
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}
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#endif
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}
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}
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void fluidsynth_msg(uint8_t *msg)
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{
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fluidsynth_t* data = &fsdev;
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uint32_t val = *((uint32_t*)msg);
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uint32_t param2 = (uint8_t) ((val >> 16) & 0xFF);
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uint32_t param1 = (uint8_t) ((val >> 8) & 0xFF);
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uint8_t cmd = (uint8_t) (val & 0xF0);
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uint8_t chan = (uint8_t) (val & 0x0F);
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switch (cmd) {
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case 0x80: /* Note Off */
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f_fluid_synth_noteoff(data->synth, chan, param1);
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break;
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case 0x90: /* Note On */
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f_fluid_synth_noteon(data->synth, chan, param1, param2);
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break;
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case 0xA0: /* Aftertouch */
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break;
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case 0xB0: /* Control Change */
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f_fluid_synth_cc(data->synth, chan, param1, param2);
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break;
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case 0xC0: /* Program Change */
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f_fluid_synth_program_change(data->synth, chan, param1);
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break;
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case 0xD0: /* Channel Pressure */
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break;
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case 0xE0: /* Pitch Bend */
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f_fluid_synth_pitch_bend(data->synth, chan, (param2 << 7) | param1);
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break;
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case 0xF0: /* SysEx */
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break;
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default:
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pclog("fluidsynth: unknown send() command 0x%02X", cmd);
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break;
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}
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}
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void fluidsynth_sysex(uint8_t* data, unsigned int len)
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{
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fluidsynth_t* d = &fsdev;
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f_fluid_synth_sysex(d->synth, (const char *) data, len, 0, 0, 0, 0);
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}
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void* fluidsynth_init(void)
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{
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fluidsynth_t* data = &fsdev;
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memset(data, 0, sizeof(fluidsynth_t));
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/* Try loading the DLL. */
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fluidsynth_handle = dynld_module("libfluidsynth.dll", fluidsynth_imports);
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if (fluidsynth_handle == NULL)
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{
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plat_msgbox_error(IDS_2171);
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return NULL;
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}
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data->settings = f_new_fluid_settings();
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f_fluid_settings_setnum(data->settings, "synth.sample-rate", 44100);
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f_fluid_settings_setnum(data->settings, "synth.gain", device_get_config_int("output_gain")/100.0f);
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data->synth = f_new_fluid_synth(data->settings);
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char* sound_font = device_get_config_string("sound_font");
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data->sound_font = f_fluid_synth_sfload(data->synth, sound_font, 1);
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if (device_get_config_int("chorus"))
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{
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f_fluid_synth_set_chorus_on(data->synth, 1);
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int chorus_voices = device_get_config_int("chorus_voices");
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double chorus_level = device_get_config_int("chorus_level") / 100.0;
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double chorus_speed = device_get_config_int("chorus_speed") / 100.0;
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double chorus_depth = device_get_config_int("chorus_depth") / 10.0;
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int chorus_waveform = FLUID_CHORUS_MOD_SINE;
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if (device_get_config_int("chorus_waveform") == 0)
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chorus_waveform = FLUID_CHORUS_MOD_SINE;
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else
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chorus_waveform = FLUID_CHORUS_MOD_TRIANGLE;
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f_fluid_synth_set_chorus(data->synth, chorus_voices, chorus_level, chorus_speed, chorus_depth, chorus_waveform);
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}
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else
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f_fluid_synth_set_chorus_on(data->synth, 0);
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if (device_get_config_int("reverb"))
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{
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f_fluid_synth_set_reverb_on(data->synth, 1);
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double reverb_room_size = device_get_config_int("reverb_room_size") / 100.0;
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double reverb_damping = device_get_config_int("reverb_damping") / 100.0;
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int reverb_width = device_get_config_int("reverb_width");
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double reverb_level = device_get_config_int("reverb_level") / 100.0;
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f_fluid_synth_set_reverb(data->synth, reverb_room_size, reverb_damping, reverb_width, reverb_level);
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}
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else
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f_fluid_synth_set_reverb_on(data->synth, 0);
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int interpolation = device_get_config_int("interpolation");
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int fs_interpolation = FLUID_INTERP_4THORDER;
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if (interpolation == 0)
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fs_interpolation = FLUID_INTERP_NONE;
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else if (interpolation == 1)
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fs_interpolation = FLUID_INTERP_LINEAR;
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else if (interpolation == 2)
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fs_interpolation = FLUID_INTERP_4THORDER;
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else if (interpolation == 3)
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fs_interpolation = FLUID_INTERP_7THORDER;
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f_fluid_synth_set_interp_method(data->synth, -1, fs_interpolation);
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double samplerate;
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f_fluid_settings_getnum(data->settings, "synth.sample-rate", &samplerate);
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data->samplerate = (int)samplerate;
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if (sound_is_float)
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{
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data->buf_size = (data->samplerate/RENDER_RATE)*2*sizeof(float)*BUFFER_SEGMENTS;
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data->buffer = malloc(data->buf_size);
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data->buffer_int16 = NULL;
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}
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else
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{
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data->buf_size = (data->samplerate/RENDER_RATE)*2*sizeof(int16_t)*BUFFER_SEGMENTS;
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data->buffer = NULL;
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data->buffer_int16 = malloc(data->buf_size);
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}
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data->event = thread_create_event();
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data->thread_h = thread_create(fluidsynth_thread, data);
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al_set_midi(data->samplerate, data->buf_size);
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pclog("fluidsynth (%s) initialized, samplerate %d, buf_size %d\n", f_fluid_version_str(), data->samplerate, data->buf_size);
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midi_device_t* dev = malloc(sizeof(midi_device_t));
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memset(dev, 0, sizeof(midi_device_t));
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dev->play_msg = fluidsynth_msg;
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dev->play_sysex = fluidsynth_sysex;
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dev->poll = fluidsynth_poll;
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midi_init(dev);
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return dev;
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}
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void fluidsynth_close(void* p)
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{
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if (!p) return;
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fluidsynth_t* data = &fsdev;
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if (data->sound_font != -1)
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f_fluid_synth_sfunload(data->synth, data->sound_font, 1);
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f_delete_fluid_synth(data->synth);
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f_delete_fluid_settings(data->settings);
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midi_close();
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if (data->buffer)
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{
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free(data->buffer);
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data->buffer = NULL;
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}
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if (data->buffer_int16)
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{
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free(data->buffer_int16);
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data->buffer_int16 = NULL;
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}
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/* Unload the DLL if possible. */
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if (fluidsynth_handle != NULL)
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{
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dynld_close(fluidsynth_handle);
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fluidsynth_handle = NULL;
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}
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pclog("fluidsynth closed\n");
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}
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static device_config_t fluidsynth_config[] =
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{
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{
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.name = "sound_font",
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.description = "Sound Font",
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.type = CONFIG_FILE,
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.default_string = "",
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.file_filter =
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{
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{
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.description = "SF2 Sound Fonts",
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.extensions =
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{
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"sf2"
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}
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}
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}
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},
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{
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.name = "output_gain",
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.description = "Output Gain",
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.type = CONFIG_SPINNER,
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.spinner =
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{
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.min = 0,
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.max = 100
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},
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.default_int = 100
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},
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{
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.name = "chorus",
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.description = "Chorus",
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.type = CONFIG_BINARY,
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.default_int = 0
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},
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{
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.name = "chorus_voices",
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.description = "Chorus Voices",
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.type = CONFIG_SPINNER,
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.spinner =
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{
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.min = 0,
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.max = 99
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},
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.default_int = 3
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},
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{
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.name = "chorus_level",
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.description = "Chorus Level",
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.type = CONFIG_SPINNER,
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.spinner =
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{
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.min = 0,
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.max = 100
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},
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.default_int = 100
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},
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{
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.name = "chorus_speed",
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.description = "Chorus Speed",
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.type = CONFIG_SPINNER,
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.spinner =
|
||||
{
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||||
.min = 30,
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||||
.max = 500
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||||
},
|
||||
.default_int = 30
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||||
},
|
||||
{
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||||
.name = "chorus_depth",
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.description = "Chorus Depth",
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||||
.type = CONFIG_SPINNER,
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||||
.spinner =
|
||||
{
|
||||
.min = 0,
|
||||
.max = 210
|
||||
},
|
||||
.default_int = 80
|
||||
},
|
||||
{
|
||||
.name = "chorus_waveform",
|
||||
.description = "Chorus Waveform",
|
||||
.type = CONFIG_SELECTION,
|
||||
.selection =
|
||||
{
|
||||
{
|
||||
.description = "Sine",
|
||||
.value = 0
|
||||
},
|
||||
{
|
||||
.description = "Triangle",
|
||||
.value = 1
|
||||
}
|
||||
},
|
||||
.default_int = 0
|
||||
},
|
||||
{
|
||||
.name = "reverb",
|
||||
.description = "Reverb",
|
||||
.type = CONFIG_BINARY,
|
||||
.default_int = 0
|
||||
},
|
||||
{
|
||||
.name = "reverb_room_size",
|
||||
.description = "Reverb Room Size",
|
||||
.type = CONFIG_SPINNER,
|
||||
.spinner =
|
||||
{
|
||||
.min = 0,
|
||||
.max = 120
|
||||
},
|
||||
.default_int = 20
|
||||
},
|
||||
{
|
||||
.name = "reverb_damping",
|
||||
.description = "Reverb Damping",
|
||||
.type = CONFIG_SPINNER,
|
||||
.spinner =
|
||||
{
|
||||
.min = 0,
|
||||
.max = 100
|
||||
},
|
||||
.default_int = 0
|
||||
},
|
||||
{
|
||||
.name = "reverb_width",
|
||||
.description = "Reverb Width",
|
||||
.type = CONFIG_SPINNER,
|
||||
.spinner =
|
||||
{
|
||||
.min = 0,
|
||||
.max = 100
|
||||
},
|
||||
.default_int = 1
|
||||
},
|
||||
{
|
||||
.name = "reverb_level",
|
||||
.description = "Reverb Level",
|
||||
.type = CONFIG_SPINNER,
|
||||
.spinner =
|
||||
{
|
||||
.min = 0,
|
||||
.max = 100
|
||||
},
|
||||
.default_int = 90
|
||||
},
|
||||
{
|
||||
.name = "interpolation",
|
||||
.description = "Interpolation Method",
|
||||
.type = CONFIG_SELECTION,
|
||||
.selection =
|
||||
{
|
||||
{
|
||||
.description = "None",
|
||||
.value = 0
|
||||
},
|
||||
{
|
||||
.description = "Linear",
|
||||
.value = 1
|
||||
},
|
||||
{
|
||||
.description = "4th Order",
|
||||
.value = 2
|
||||
},
|
||||
{
|
||||
.description = "7th Order",
|
||||
.value = 3
|
||||
}
|
||||
},
|
||||
.default_int = 2
|
||||
},
|
||||
{
|
||||
.type = -1
|
||||
}
|
||||
};
|
||||
|
||||
device_t fluidsynth_device =
|
||||
{
|
||||
"FluidSynth",
|
||||
0,
|
||||
fluidsynth_init,
|
||||
fluidsynth_close,
|
||||
fluidsynth_available,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
fluidsynth_config
|
||||
};
|
||||
|
||||
|
||||
#endif /*USE_FLUIDSYNTH*/
|
||||
Reference in New Issue
Block a user